work up: 引起，激起
I can't work up any interest in this book.
我对这本书提不起任何兴趣。

Hang on.等一下.坚持下去
The only way to survive financial busts is to hang on long enough to outrun them.
从金融衰退中幸存下来的唯一途径就是坚持下去，挺过衰退时期。